Portion of a shoe upper



FIG. 1 is a first perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The uneven broken line immediately adjacent to the shaded area represents an unclaimed boundary of the design. The uneven broken line extending into the shaded area and the uneven broken line showing of the remainder of the shoe are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 